
def simple(n):
    d=0
    for i in range (1,n+1):
        if n%i==0:
            d+=1
    if d==2:
        return True
    return False

digit=["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
s=input().split()
s1=''
flag=0
for d in s:
    if d in digit:
      s1+=str(digit.index(d))
    else:
        flag=1
if len(s)!=3:
    flag = 1
if flag:
    print("Wrong input")
else:
    print(simple(int(s1)))






